Engineering & Commissioning

Maximize Performance and Potential

stok brings value to design and operations teams by taking an efficiency-first approach to energy and cost savings. We seamlessly manage all phases of the building lifecycle to deliver efficient and reliable results that benefit owner, design team, and occupant.

Combining deep engineering expertise and leading industry tools, stok assures optimal building performance through performance modeling, design reviews, energy efficiency auditing, commissioning, and verification services. By getting involved early and taking an integrated team approach, we optimize building systems, and with them, the value of our clients’ investments.

I like to know my clients and the team I work with on a personal level.

Shai Shaul

Commissioning | Energy Audits | Benchmarking

Superpowers: With over a decade of experience in sustainability engineering, Shai provides high performance building consulting services, as well as performs ASHRAE level I, II, and III audits, LEED Fundamental and Enhanced Commissioning, and ENERGY STAR certifications. Shai routinely analyzes energy models, performs life cycle cost analysis, advises on energy management systems, building information systems, and lighting control systems, and performs design review and recommendations to meet and exceed energy efficiency stipulations of building codes and rating systems such as Title-24 and LEED.

WELL | Benchmarking

Superpowers: Experienced in a wide variety of sustainable building services, including LEED, WELL, and Living Building Challenge consulting, as well as Energy Audits and Commissioning, Wenhan ensures that stok’s projects are as high performing as possible. As a reporting expert, Wenhan has robust experience in consolidating building performance data for enterprise sustainability reports, including the GRI, GRESB, and CDP climate change reports. He has also worked with numerous building portfolios to obtain ENERGY STAR labels and LEED Volume certification.

Superpowers: As a project manager with a background in architecture and building performance, Krista helps owners evaluate the potential of their building, portfolio, or site, and establish goals to achieve sustainable, regenerative outcomes. She orchestrates the careful coordination of design and construction activities to deliver Net Zero Energy, Passive House, and Living Building Challenge caliber buildings, master plans, and TI spaces. Her portfolio of high performance sustainable design work spans five continents and includes work in the master plan, higher education, residential, retail, and commercial sectors.

ZNE | Energy Modeling | Benchmarking

Superpowers: Will specializes in energy modeling, high performance building design, energy performance optimization, building data analytics, and QA/QC. Having published several papers and participated in regular speaking engagements on sustainable design, energy modeling, building codes and standards, energy economics, and renewable energy systems, Will provides stok’s clients with diverse and comprehensive insight on improving building performance.

Energy Modeling | Commissioning

Superpowers: Raghu synergizes his background in architecture, engineering, and research to help clients reach their building performance goals from design to operations. An expert in Architectural Engineering and Construction Management, Raghu specializes in energy modeling and commissioning services at stok. Beyond his professional commitments, he is also pursuing his PhD in Civil and Environmental Engineering at Carnegie Mellon University as a part-time candidate.

Commissioning | Energy Audits | Benchmarking

Superpowers: With a background in Architectural Engineering, Karan helps clients achieve exceptional energy savings through rigorous commissioning, energy audits, and benchmarking services. Karan's comprehensive experience in energy efficiency and mastery of the LEED rating system and Title 24 standards allow him to create, assess, and optimize project goals through Owner's Project Requirements and Basis of Design documents. At stok, Karan specializes in commissioning and retrocommissioning for new construction projects, and is involved in nearly all of stok's LEED work.

With over 107 million square feet of impact globally, and four of Forbes’ top five “World’s Most Valuable Brands” as clients, stok uses expertise in sustainability, health, and finance to transform and maximize the value of real estate. We work on single buildings, across portfolios, and at any stage of the real estate lifecycle.